<template>
    <div class='icons'>
        <swiper :options="swiperOption">
            <swiper-slide v-for='(page,index) of pages' :key='index'>
                <div class="icon" v-for='item of page' :key='item.id'>
                    <div class="icon-img">
                        <img class='icon-img-content' :src="item.imgUrl" alt="">
                    </div>
                    <p class='icon-desc'>{{item.desc}}</p>
                </div>
            </swiper-slide>


        </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOption: {
                speed: 2000,
                autoplay: false
            }
        }
    },
    computed: {
        pages () {
            const pages = []
            this.list.forEach( (item,index)=> {
                const page = Math.floor(index/8)
                if(!pages[page]){
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang='stylus' scoped>
    @import '~styles/varibles.styl'
    @import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height 0
        padding-bottom 50%
    .icon
        position relative
        overflow hidden
        width 25%
        height 0
        float left
        padding-bottom 25% 
        .icon-img
            position absolute 
            top 0
            left 0
            right 0
            bottom .44rem
            box-sizing border-box
            padding .1rem
            .icon-img-content 
                display block
                margin 0 auto
                height 100%
        .icon-desc
            position absolute
            left 0
            right 0
            bottom 0
            height .44rem
            line-height .44rem
            color $darkTextColor
            text-align center
            ellipsis()
</style>
